<!DOCTYPE html>
<html>
<head>
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>500</title>
 <link rel="shortcut icon" th:href="@{/images/logo.ico}" />
 <link rel="stylesheet" th:href="@{/css/index.css}">
  <script src="https://code.jquery.com/jquery-3.1.1.min.js" crossorigin="anonymous"></script>

 <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/semantic-ui@2.4.2/dist/semantic.min.css">
 <script src="https://cdn.jsdelivr.net/npm/semantic-ui@2.4.2/dist/semantic.min.js"></script>
</head>
<body>
<div class="m-container-small">
 <div class="ui error message">
  <div class="ui container">
   <h1>500</h1>
   <p>对不起，系统出错了</p>
  </div>
 </div>
</div>
</body>
</html>